Home / 11,896.09-17,845.04-3,130.88

Finding the Fourth Proportional to 11,896.09, 17,845.04 and 3,130.88

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Solution

The fourth proportional to 11,896.09, 17,845.04 and 3,130.88 is: 4,696.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,896.09 : 17,845.04 = 3,130.88 : x
  2. Step 2: Convert to fraction form
    11,896.09/17,845.04 = 3,130.88/x
  3. Step 3: Cross multiply
    11,896.09x = 17,845.04 × 3,130.88
  4. Step 4: Simplify right side
    11,896.09x = 55,870,597.44
  5. Step 5: Solve for x
    x = 55,870,597.44/11,896.09
  6. Step 6: Final answer
    x = 4,696.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.